11904642 has 24 divisors (see below), whose sum is σ = 25888044. Its totient is φ = 3953664.

The previous prime is 11904631. The next prime is 11904661. The reversal of 11904642 is 24640911.

11904642 is a `hidden beast` number, since 1 + 19 + 0 + 4 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 5294601 = 2571^2 + 2301^2 .

It is a super-2 number, since 2×11904642² = 283441002296328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4578 + ... + 6690.

Almost surely, 2^11904642 is an apocalyptic number.

11904642 is an abundant number, since it is smaller than the sum of its proper divisors (13983402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11904642 is a wasteful number, since it uses less digits than its factorization.

11904642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11904642 is about 3450.3104208172. The cubic root of 11904642 is about 228.3348035970.

It can be divided in two parts, 1190 and 4642, that added together give a cube (5832 = 18³).

The spelling of 11904642 in words is "eleven million, nine hundred four thousand, six hundred forty-two".